Home / 328,359,368.16-491,557,098.96-198,574,195.68

Finding the Fourth Proportional to 328,359,368.16, 491,557,098.96 and 198,574,195.68

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Solution

The fourth proportional to 328,359,368.16, 491,557,098.96 and 198,574,195.68 is: 297,267,460.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,359,368.16 : 491,557,098.96 = 198,574,195.68 : x
  2. Step 2: Convert to fraction form
    328,359,368.16/491,557,098.96 = 198,574,195.68/x
  3. Step 3: Cross multiply
    328,359,368.16x = 491,557,098.96 × 198,574,195.68
  4. Step 4: Simplify right side
    328,359,368.16x = 97,610,555,556,776,160
  5. Step 5: Solve for x
    x = 97,610,555,556,776,160/328,359,368.16
  6. Step 6: Final answer
    x = 297,267,460.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.